ATE393135T1 - Verfahren zur reinigung eines apparates von ablagerungen aus einem verfahren zur rückgewinnung von nmp durch einleiten von heissem wasser und rühren - Google Patents
Verfahren zur reinigung eines apparates von ablagerungen aus einem verfahren zur rückgewinnung von nmp durch einleiten von heissem wasser und rührenInfo
- Publication number
- ATE393135T1 ATE393135T1 AT05817964T AT05817964T ATE393135T1 AT E393135 T1 ATE393135 T1 AT E393135T1 AT 05817964 T AT05817964 T AT 05817964T AT 05817964 T AT05817964 T AT 05817964T AT E393135 T1 ATE393135 T1 AT E393135T1
- Authority
- AT
- Austria
- Prior art keywords
- nmp
- recovery
- cleaning
- hot water
- deposits
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 5
- 238000004140 cleaning Methods 0.000 title abstract 2
- 238000011084 recovery Methods 0.000 title abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract 2
- 238000003756 stirring Methods 0.000 title 1
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 abstract 4
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 abstract 2
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 abstract 2
- 238000001704 evaporation Methods 0.000 abstract 1
- 229930195733 hydrocarbon Natural products 0.000 abstract 1
- 150000002430 hydrocarbons Chemical class 0.000 abstract 1
- 230000003647 oxidation Effects 0.000 abstract 1
- 238000007254 oxidation reaction Methods 0.000 abstract 1
- 239000011541 reaction mixture Substances 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D207/00—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D207/02—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D207/18—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member
- C07D207/22—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D207/24—Oxygen or sulfur atoms
- C07D207/26—2-Pyrrolidones
- C07D207/263—2-Pyrrolidones with only hydrogen atoms or radicals containing only hydrogen and carbon atoms directly attached to other ring carbon atoms
- C07D207/267—2-Pyrrolidones with only hydrogen atoms or radicals containing only hydrogen and carbon atoms directly attached to other ring carbon atoms with only hydrogen atoms or radicals containing only hydrogen and carbon atoms directly attached to the ring nitrogen atom
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Pyrrole Compounds (AREA)
- Cleaning In General (AREA)
- Processing Of Solid Wastes (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Extraction Or Liquid Replacement (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102004060654A DE102004060654A1 (de) | 2004-12-16 | 2004-12-16 | Verfahren zur Reinigung eines Apparates von Ablagerungen aus einem Verfahren zur Rückgewinnung von NMP |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE393135T1 true ATE393135T1 (de) | 2008-05-15 |
Family
ID=35954093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT05817964T ATE393135T1 (de) | 2004-12-16 | 2005-12-08 | Verfahren zur reinigung eines apparates von ablagerungen aus einem verfahren zur rückgewinnung von nmp durch einleiten von heissem wasser und rühren |
Country Status (7)
| Country | Link |
|---|---|
| US (2) | US20090260657A1 (de) |
| EP (1) | EP1828082B1 (de) |
| CN (1) | CN101080375B (de) |
| AT (1) | ATE393135T1 (de) |
| DE (2) | DE102004060654A1 (de) |
| RU (1) | RU2359764C2 (de) |
| WO (1) | WO2006063727A1 (de) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1820608A (en) * | 1926-07-17 | 1931-08-25 | Standard Oil Co | Apparatus for washing barrels |
| DE1934304C3 (de) * | 1969-07-07 | 1979-04-05 | Basf Ag, 6700 Ludwigshafen | Verfahren zur Gewinnung von Acetylen |
| DE3436349A1 (de) * | 1984-10-04 | 1986-04-10 | Hoechst Ag, 6230 Frankfurt | Verfahren zur extraktion von phenolen aus waessrigen loesungen |
| CN1095373A (zh) * | 1993-05-22 | 1994-11-23 | 秦应胜 | N-甲基吡咯烷酮回收方法 |
| US5393865A (en) * | 1993-09-17 | 1995-02-28 | Phillips Petroleum Company | Poly(arylene sulfide) fibrid particles and process for their preparation |
| JP3686157B2 (ja) * | 1996-03-29 | 2005-08-24 | 株式会社クラレ | 溶液の処理方法 |
| EP1448519B1 (de) * | 2001-11-20 | 2011-08-03 | Basf Se | Verfahren zur kontinuierlichen herstellung von n-methyl-2-pyrrolidon (nmp) |
-
2004
- 2004-12-16 DE DE102004060654A patent/DE102004060654A1/de not_active Withdrawn
-
2005
- 2005-12-08 CN CN200580043387.8A patent/CN101080375B/zh not_active Expired - Fee Related
- 2005-12-08 WO PCT/EP2005/013168 patent/WO2006063727A1/de active IP Right Grant
- 2005-12-08 DE DE502005003878T patent/DE502005003878D1/de active Active
- 2005-12-08 RU RU2007126756/04A patent/RU2359764C2/ru active
- 2005-12-08 US US11/721,827 patent/US20090260657A1/en not_active Abandoned
- 2005-12-08 AT AT05817964T patent/ATE393135T1/de not_active IP Right Cessation
- 2005-12-08 EP EP05817964A patent/EP1828082B1/de active Active
-
2014
- 2014-09-16 US US14/487,500 patent/US20150000706A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| CN101080375A (zh) | 2007-11-28 |
| EP1828082A1 (de) | 2007-09-05 |
| DE102004060654A1 (de) | 2006-07-06 |
| RU2359764C2 (ru) | 2009-06-27 |
| CN101080375B (zh) | 2010-07-28 |
| DE502005003878D1 (de) | 2008-06-05 |
| US20090260657A1 (en) | 2009-10-22 |
| WO2006063727A1 (de) | 2006-06-22 |
| US20150000706A1 (en) | 2015-01-01 |
| RU2007126756A (ru) | 2009-01-27 |
| EP1828082B1 (de) | 2008-04-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| REN | Ceased due to non-payment of the annual fee |